"අධික අවුරුද්ද" හි සංශෝධන අතර වෙනස්කම්

This rule gives an average year length of 365.242222… days. This is a very good approximation to the ''mean'' [[tropical year]], but because the ''vernal equinox'' year is slightly longer, the Revised Julian calendar does not do as good a job as the Gregorian calendar of keeping the vernal equinox on or close to March 21.

 

The [[Chinese calendar|Chinese]] and [[Korean calendar]]s are [[lunisolar calendar|lunisolar]], so a leap year has an extra ''month'', often called an ''embolismic'' month after the Greek word for it. In the Chinese calendar the [[leap month]] is added according to a complicated rule, which ensures that month 11 is always the month that contains the northern winter [[solstice]]. The intercalary month takes the same number as the preceding month; for example, if it follows the second month (二月) then it is simply called "leap second month" ({{zh-tsp|t=閏二月|s=闰二月|p=rùn'èryuè}}).